This paper presents various approaches to studying cultures of different countries. The starting point is Hofstede's dimensions of cultural values as well as Hall's approach to high- and low-context cultures. After that the interaction between culture and organizational behavior is discussed. A special attention to the impact of culture on motivation of employees, communication, conflict resolution and organizational changes is given. This article concludes with the presentation of some methods that can be applied to the training of managers on various cultures. (Contains 3 tables.)